0 12mm small rotary airlock valve

{"cid":"91222476","title":"Industrial Flue Gas Electric Ventilation Butterfly Valve Adjustable Type","imgUrl":"https:\/\/img.chinax.com\/nimg\/74\/4a\/3d5facb84d03a38392a1bdcd4cee-200x200-1.jpg","attrs":{"Price":"$499","Brand Name":"QiaoDa","Model Number":"DN500","Minimum Order Quantity":"1PC","Delivery Time":"15 word days","Certification":"YES","Place of Origin":"China","Payment Terms":"T\/T","Supply Ability":"100 units per month","Packaging Details":"Consultation with customers","Size":"1\/2 inch - 48 inch","Temperature Range":"-29\u00b0C to 538\u00b0C","End Connections":"Flanged, Threaded, Butt Weld, Socket Weld","Leakage rate":"1% - 3%.","Pressure environment":"Atmospheric pressure","Type":"Butterfly valve","Applicable medium":"Industrial flue gas","Nominal diameter":"DN100-DN3000","Operation":"Manual, electric or pneumatic","Material":"Cast Iron, Ductile Iron, Carbon Steel, Stainless Steel, Bronze","Operating temperature":"100-500","Country of origin":"China","Feature":"Regulating flue gas"}}

{"cid":"91222458","title":"Gravity Flow Mini Sanitary Rotary Valve Airlocks For Constant Discharge","imgUrl":"https:\/\/img.chinax.com\/nimg\/fb\/5d\/5a1f87c45f5bae30df7fd313963f-200x200-1.jpg","attrs":{"Price":"$1,049.00\/sets >=1 sets","Brand Name":"TECLION","Model Number":"Rotary valve","Place of Origin":"Anhui, China","Packaging Details":"wooden box","Application":"pneumatic conveying or gravity flow","Port Size":"DN100-DN500","Warranty":"1years","Power":"Electric","Temperature of Media":"High Temperature, Normal Temperature","Structure":"Control","Media":"powders or granular products","Customized support":"OEM, ODM, OBM, Software reengineering","Product name":"Rotary Valve","Size":"Customized Size","Working pressure":"1.0-1.5bar","Type":"rotary valve"}}